Fiberglass Cleaner powder cleaner and stain remover for fibreglass - Quickly and easily removes dirt, annoying stains, rust traces, marks and black streaks, giving gelcoat a new shine - Also ideal for use on non-slip surfaces - Instructions: Generously wet the surface with fresh or salt water (useful for when you are at sea) - Spread Fiberglass Cleaner evenly with our Medium Brush with orange bristles or similar - Leave on for at least 10 to 15 minutes, moving the powder slightly so that the surface remains covered and wet - Longer times will improve its effectiveness - Brush to remove dirt - Rinse the surface thoroughly with water preferably under pressure so as to remove all possible residues - In case of difficult dirt repeat the operation, still using small amounts of Fiberglass Cleaner with water. In areas with persistent stains, apply locally and cover with a wet cloth or paper towel to prolong the cleaning action - For vertical surfaces put a little Fiberglass Cleaner in a plastic container, add water and mix until it becomes like yoghurt - Apply the cream thus obtained with a sponge on the previously wetted surface - For persistent stains, it can be applied locally with a brush and covered with a cloth or wet paper to prolong the action. Rinse thoroughly with water, preferably with a pressure hose - Pack 600 g - Yield 10 -15 m2 per pack